CN104744781A - 一种高抗冲的加强改性聚乙烯粉末 - Google Patents
一种高抗冲的加强改性聚乙烯粉末 Download PDFInfo
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Abstract
本发明公开了一种高抗冲的加强改性聚乙烯粉末,其组分按质量百分数配比为:聚乙烯50%~80%、无机粒子5%~15%、TPU弹性体3%~8%、阻燃剂10%~15%、抗静电剂1%~3%、硬脂酸钙0.1%~0.5%、抗氧剂0.1%~0.5%、聚硅氧烷0.1%~1%、无碱玻璃纤维5%~15%,所述无碱玻璃纤维为直径在8~15mm、且表面经硅烷偶联剂处理过的无碱短切玻璃纤维。本发明的有益效果是,本发明不仅具有较好的抗冲击性、阻燃性和永久抗静电性能,而且还良好的拉伸强度、刚性及耐热性,其加工性好,适应性强,成本低,因此具有较好的应用前景和社会经济效益。
Description
技术领域
本发明涉及高分子材料技术领域,具体地说是一种高抗冲的加强改性聚乙烯粉末。
背景技术
聚乙烯由于价格低廉、成型加工容易,而且还具有许多优良性能,因而市场需求量大,应用广泛。然而,聚乙烯也存在耐有机溶剂和抗静电性能不好、抗冲击韧性不足的缺点,从而限制了其的应用范围。
发明内容
本发明的目的在于提供一种高抗冲的加强改性聚乙烯粉末。
本发明解决其技术问题所采用的技术方案是:一种高抗冲的加强改性聚乙烯粉末,其组分按质量百分数配比为:聚乙烯50%~80%、无机粒子5%~15%、TPU弹性体3%~8%、阻燃剂10%~15%、抗静电剂1%~3%、硬脂酸钙0.1%~0.5%、抗氧剂0.1%~0.5%、聚硅氧烷0.1%~1%、无碱玻璃纤维5%~15%。
所述无机粒子为粒径在10nm~20μm之间的重质碳酸钙、气相二氧化硅、滑石粉、氧化钙、氢氧化镁中的一种。
所述阻燃剂为质量比1:5的聚二甲基硅氧烷阻燃剂和双酚A-双(二苯基磷酸酯)阻燃剂组成的复配物。
所述抗静电剂为HBS-510抗静电剂或HDC-102抗静电剂。
所述抗氧剂为质量比1:1的1076抗氧剂与168抗氧剂组成的复配物。
所述无碱玻璃纤维为直径在8~15mm、且表面经硅烷偶联剂处理过的无碱短切玻璃纤维。
本发明的一种高抗冲的加强改性聚乙烯粉末的制备方法,包括以下步骤:
(1)、将无机粒子与硬脂酸钙按重量配比称取后,加入超声振荡发生器或不低于3000转/分钟的高速混合机中,于105℃~130℃温度下搅拌10~45分钟,使均匀分散,然后冷却至低于40℃,再加入重量配比称取TPU弹性体,使一起混合均匀后,出料加入120℃~140℃密炼机中混炼5~10分钟,然后进行拉片、切料制得一种TPU弹性体包覆无机粒子的核-壳母粒;
(2)、按重量配比称取聚乙烯、阻燃剂、抗静电剂、抗氧剂、聚硅氧烷,加入高速混合机,同时加入步骤(1)得到的物料,使一起搅拌5~10分钟,待充分混合均匀后出料;
(3)、将步骤(2)得到的混合料加入双螺杆挤出机的主喂料口,在双螺杆挤出机的侧喂料口加入按重量配比称取的无碱玻璃纤维,控制熔融温度在180℃~250℃、螺杆转速200~500转/分钟,经过双螺杆挤出机剪切、混炼后,再进行挤出、冷却、切粒、干燥,然后通过塑料粉碎机碎成细粉并过筛,选取180~200目的组成即得到本发明。
本发明的有益效果是,本发明不仅具有较好的抗冲击性、阻燃性和永久抗静电性能,而且还良好的拉伸强度、刚性及耐热性,其加工性好,适应性强,成本低,因此具有较好的应用前景和社会经济效益。
具体实施方式
下面结合具体实施例来进一步说明本发明的技术方案。
一种高抗冲的加强改性聚乙烯粉末,其组分按质量百分数配比为:聚乙烯50%、粒径在10nm~20μm之间的重质碳酸钙15%、TPU弹性体8%、阻燃剂10%、HBS-510抗静电剂3%、硬脂酸钙0.5%、抗氧剂0.5%、聚硅氧烷1%、无碱玻璃纤维12%。其中,所述阻燃剂为质量比1:5的聚二甲基硅氧烷阻燃剂和双酚A-双(二苯基磷酸酯)阻燃剂组成的复配物;所述抗氧剂为质量比1:1的1076抗氧剂与168抗氧剂组成的复配物;所述无碱玻璃纤维为直径在8~15mm、且表面经硅烷偶联剂处理过的无碱短切玻璃纤维。
其制备方法为:(1)、将粒径在10nm~20μm之间的重质碳酸钙与硬脂酸钙按重量配比称取后,加入超声振荡发生器或不低于3000转/分钟的高速混合机中,于105℃~130℃温度下搅拌10~45分钟,使均匀分散,然后冷却至低于40℃,再加入重量配比称取TPU弹性体,使一起混合均匀后,出料加入120℃~140℃密炼机中混炼5~10分钟,然后进行拉片、切料制得一种TPU弹性体包覆重质碳酸钙粒子的核-壳母粒;(2)、按重量配比称取聚乙烯、阻燃剂、HBS-510抗静电剂、抗氧剂、聚硅氧烷,加入高速混合机,同时加入步骤(1)得到的物料,使一起搅拌5~10分钟,待充分混合均匀后出料;(3)、将步骤(2)得到的混合料加入双螺杆挤出机的主喂料口,在双螺杆挤出机的侧喂料口加入按重量配比称取的无碱玻璃纤维,控制熔融温度在180℃~250℃、螺杆转速200~500转/分钟,经过双螺杆挤出机剪切、混炼后,再进行挤出、冷却、切粒、干燥,然后通过塑料粉碎机碎成细粉并过筛,选取180~200目的组成即得到本发明。
Claims (7)
1.一种高抗冲的加强改性聚乙烯粉末,其特征在于,其组分按质量百分数配比为:聚乙烯50%~80%、无机粒子5%~15%、TPU弹性体3%~8%、阻燃剂10%~15%、抗静电剂1%~3%、硬脂酸钙0.1%~0.5%、抗氧剂0.1%~0.5%、聚硅氧烷0.1%~1%、无碱玻璃纤维5%~15%。
2.根据权利要求1所述的一种高抗冲的加强改性聚乙烯粉末,其特征在于,所述无机粒子为粒径在10nm~20μm之间的重质碳酸钙、气相二氧化硅、滑石粉、氧化钙、氢氧化镁中的一种。
3.根据权利要求1所述的一种高抗冲的加强改性聚乙烯粉末,其特征在于,所述阻燃剂为质量比1:5的聚二甲基硅氧烷阻燃剂和双酚A-双(二苯基磷酸酯)阻燃剂组成的复配物。
4.根据权利要求1所述的一种高抗冲的加强改性聚乙烯粉末,其特征在于,所述抗静电剂为HBS-510抗静电剂或HDC-102抗静电剂。
5.根据权利要求1所述的一种高抗冲的加强改性聚乙烯粉末,其特征在于,所述抗氧剂为质量比1:1的1076抗氧剂与168抗氧剂组成的复配物。
6.根据权利要求1所述的一种高抗冲的加强改性聚乙烯粉末,其特征在于,所述无碱玻璃纤维为直径在8~15mm、且表面经硅烷偶联剂处理过的无碱短切玻璃纤维。
7.根据权利要求1所述的一种高抗冲的加强改性聚乙烯粉末的制备方法,其特征在于,包括以下步骤:
(1)、将无机粒子与硬脂酸钙按重量配比称取后,加入超声振荡发生器或不低于3000转/分钟的高速混合机中,于105℃~130℃温度下搅拌10~45分钟,使均匀分散,然后冷却至低于40℃,再加入重量配比称取TPU弹性体,使一起混合均匀后,出料加入120℃~140℃密炼机中混炼5~10分钟,然后进行拉片、切料制得一种TPU弹性体包覆无机粒子的核-壳母粒;
(2)、按重量配比称取聚乙烯、阻燃剂、抗静电剂、抗氧剂、聚硅氧烷,加入高速混合机,同时加入步骤(1)得到的物料,使一起搅拌5~10分钟,待充分混合均匀后出料;
(3)、将步骤(2)得到的混合料加入双螺杆挤出机的主喂料口,在双螺杆挤出机的侧喂料口加入按重量配比称取的无碱玻璃纤维,控制熔融温度在180℃~250℃、螺杆转速200~500转/分钟,经过双螺杆挤出机剪切、混炼后,再进行挤出、冷却、切粒、干燥,然后通过塑料粉碎机碎成细粉并过筛,选取180~200目的组成即得到本发明。
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107298539A (zh) * | 2016-12-30 | 2017-10-27 | 江苏苏博特新材料股份有限公司 | 一种混凝土用高效抗冲耐磨剂及其制备方法 |
CN109206937A (zh) * | 2017-07-03 | 2019-01-15 | 镇江市睿泽文化传播有限公司 | 一种耐磨塑料园林工具 |
CN109206934A (zh) * | 2017-07-03 | 2019-01-15 | 镇江市睿泽文化传播有限公司 | 一种防腐蚀塑料园林工具 |
CN109337164A (zh) * | 2018-09-26 | 2019-02-15 | 天津泽恒包装制品有限公司 | 一种pe保护膜不粘层母料的配方 |
-
2013
- 2013-12-30 CN CN201310742746.5A patent/CN104744781A/zh active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107298539A (zh) * | 2016-12-30 | 2017-10-27 | 江苏苏博特新材料股份有限公司 | 一种混凝土用高效抗冲耐磨剂及其制备方法 |
CN109206937A (zh) * | 2017-07-03 | 2019-01-15 | 镇江市睿泽文化传播有限公司 | 一种耐磨塑料园林工具 |
CN109206934A (zh) * | 2017-07-03 | 2019-01-15 | 镇江市睿泽文化传播有限公司 | 一种防腐蚀塑料园林工具 |
CN109337164A (zh) * | 2018-09-26 | 2019-02-15 | 天津泽恒包装制品有限公司 | 一种pe保护膜不粘层母料的配方 |
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